Eclipse PMF focuses in fact on high level presentation modeling concepts on GUI by ignoring the displaying technology artifacts such as appearence, layouts and data binding support.
Latest release: 0.4.1
Eclipse XWT™ is a powerful declarative UI in XML for Eclipse. It is a thin layer of markup language by unifying Eclipse SWT/JIFace and Eclipse JFace Databinding in one.
Latest release: 1.8.0